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Full Discussion: Unable to read assign values to two variables in while loop
Top Forums Shell Programming and Scripting Unable to read assign values to two variables in while loop Post 302833021 by chidori on Tuesday 16th of July 2013 06:15:57 AM
Old 07-16-2013
Unable to read assign values to two variables in while loop
I am trying to read a input file which has two columns separated by space
Input file
Code:
server1 server2
server3 server4
server5 server6

When i execute the below while code it reads line by line and a and b variables are able to successfully fetch the values
Code:
while read a b
do
echo "$a"
echo "$b"
done < inputfile

But when i use a ssh statement . The while code just reads the first line and after that the script exits. Not able to understand this behaviour.
Code:
while read a b
do
ssh -q $a uname -a
done < inputfile

 

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LEARN ABOUT DEBIAN

mono-server2-admin

MONO-SERVER2-ADMIN(8)					User Contributed Perl Documentation				     MONO-SERVER2-ADMIN(8)

NAME

       mono-server2-admin - mono-server2 hosts file creator, hosts file is part of the debianized mod_mono package

SYNOPSIS

       mono-server2-admin.conf [action] [args]

   OPTIONS
	 Actions:

	   add	      Use 'add' if you want to create an application and want mono-server2 scripts to manage it
	   del	      If you want to remove an application

	 Args:

	   --path     The path where you have your aspx files, MUST EXISTS!, required only with add action
	   --app      The name of your application
	   --libs     If you have dlls outside your path, you must use this!
	   --port     Needed if you are running multiple virtual hosts in different ports in Apache
	   --vhost    If you want to add asp.net support to a virtualhost you must use this. Example: foobar.com

DESCRIPTION

	mono-server2-admin.conf is a perl tool to adminstrate your ASP.NET webapps that will be executed with
	mod_mono.

	When you try to add an application, admin.conf will verify that your path exists, if it is, it will
	add a directory inside /etc/xsp/conf.d with the name of your app, and also as a file with the
	filename format: 10_appname. This file will have the information (path, app).

	So, when mono-xsp-update.conf is executed it will read those dirs and create a debian.webapp in
	/etc/xsp that the xsp daemon will read, also with a mono-server2-hosts.conf that will have your
	directory settings with apache directives. Apache will read mono-server2-hosts.conf!

AUTHOR

	Pablo Fischer <pablo@pablo.com.mx>

perl v5.14.2							    2012-01-18						     MONO-SERVER2-ADMIN(8)
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